How do we know that climate change is real? There are multiple reliable sources of data, please discuss several.

Where in the cell are ribosomes made?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

Ascientific idea becomes valid when it is what?